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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

I've got a Redhat 7.0 server running on a DMZ that I recently installed ClamAV on to satisfy an audit finding. There are no available IP addresses on the segment I can use to translate the db.US.clamav.net IP to something routable on the DMZ so I can't get definition updates onto the server. Is there a way to manually download and install definition updates? I can't seem to find anything on clamav.net or through google so I'm guessing this isn't possible but I thought I'd take a shot on the forums in case anyone has found a way.

I hate to answer my own question but I found a way around this. We did have a single available IP to use for translation so I set it up to point to an IP address I got when I pinged db.us.clamav.net. I had a problem with the way they were doing round-robin DNS so I pulled up the list of mirrors, picked one, and set the proxy to use the resolved IP. I was able to update my clamav install to the latest patches. For the record, there's no way to download the cvd files and upload them to the install that I could find.